Gwendolyn Boyd, right, and Beatrice Coley welcome DNA expert Rick Kittles at a symposium held at the Rosa Parks Museum on Saturday.

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The scientific name is Deoxyribonucleic Acid, but most know it as "DNA" - a three-letter word that unlocks the mysteries of human "construction."

A nationally known scientist told a capacity crowd at the Rosa Parks Museum on Saturday that each of them had significant DNA molecules in their bodies to determine who they are and where their ancestors likely emanated.

Geneticist Rick Kittles, co-founder of the "African Ancestry," spoke for two hours before taking a break, but few in the packed audience seemed ready for a breather after listening to what he had to say. ...